Tr meaning in text

What the scope attribute has done, is that it shows whether a header cell belongs to either the column, row, or a group of both.. In this case the headers belong to the column because it's what we set in the code. You can play around by changing the attribute to see the different behaviors. The hr element represents a paragraph -level thematic break, e.g. a scene change in a story, or a transition to another topic within a section of a reference book. The following fictional extract from a project manual shows two sections that use the hr element to separate topics within the section. < section > < h1 > Communication </ h1 > < p.